8mm Forum: Elmo 1200 a question please

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Topic: Elmo 1200 a question please

Tom Photiou
Film God

Posts: 4837
From: Plymouth U.K
Registered: Dec 2003

posted October 19, 2010 02:00 PM

I have here a friends Elmo 1200, (not a D or HD)
All works goods apart form upon rewinding the darn thing slows and stops half way, any ideas please, i seem to have the asdjustment about right on the rewind gears at the front but just cant get it to do the job??? New belts have been fitted and all pullys are clean etc

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Dan Lail
Film God

Posts: 2110
From: Loganville, Georgia, USA
Registered: Jun 2003

posted October 19, 2010 02:04 PM

Tom,

There is a clutch pressure adjustment on the rear gears too. Maybe it is to tight. Trying tweaking the clutch pressures in the front and back.

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frank arnstein
Jedi Master Film Handler

Posts: 534
From: Gold Coast. Australia
Registered: Jan 2005

posted October 19, 2010 02:28 PM

Hi Tom
The positive lock for rewind is obviously not working & thats why its slipping under load.
Try and see why the rewind locking button doesn't activate the lock. It should snap into lock mode when you depress the button during rewind.

P.S.
Did you do the checks that I mentioned for the eumig s 905 coaxial spindles which wont wind onto the take up reel?
There was no reply on the thread you started asking for help. [Roll Eyes]

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At Projector Heaven the Focus is always on Detail.

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[o:/o]<|=- dogtor@projectorheaven.com.au
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Roy Neil
Expert Film Handler

Posts: 203
From: Menlo Park, CA
Registered: Sep 2007

posted October 19, 2010 05:45 PM

As Dan mentioned, there is gearing on the takeup that could be the culprit.

There is a one-way gear used to turn the takeup. If you turn the takeup ( clockwise ) after stopping the projector, this gear will disengage and will not re-engage until the projector runs in forward again. Typically, when the tail of the film leaves the projector, the takeup begins rotating faster, and you power off the drive. This is usually sufficient to disengage the one-way gear on the takeup. Although if you prevent the reel from rotating and immediately grab the tail of the film as it exits projector and begin to rewind, the one-way gear will not disengage. One revolution is usually sufficient to disengage the one-way gear - as long as the projector is not under power.

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Tom Photiou
Film God

Posts: 4837
From: Plymouth U.K
Registered: Dec 2003

posted October 20, 2010 03:03 PM

All tried but failed [Confused]

As this is the old 1200 it doesnt have the clutch type mechanism on the rear, its well strange this one as the rewind gear does lock ok when you push the rewind lever down, it starts off fine but just slows and stops half way thru any size spool,

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